Home / 18,880.65-26,010.27-13,204.80

Finding the Fourth Proportional to 18,880.65, 26,010.27 and 13,204.80

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Solution

The fourth proportional to 18,880.65, 26,010.27 and 13,204.80 is: 18,191.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.65 : 26,010.27 = 13,204.80 : x
  2. Step 2: Convert to fraction form
    18,880.65/26,010.27 = 13,204.80/x
  3. Step 3: Cross multiply
    18,880.65x = 26,010.27 × 13,204.80
  4. Step 4: Simplify right side
    18,880.65x = 343,460,413.30
  5. Step 5: Solve for x
    x = 343,460,413.30/18,880.65
  6. Step 6: Final answer
    x = 18,191.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.